Keiser Fitness M3i Indoor Bike with Bluetooth

Keiser M3i Indoor Bike with Bluetooth

The Keiser M3i is the gold standard in indoor cyclingengineered, tested, and assembled in the USA with a perfect balance of performance, durability, and innovation. Designed to fit riders from 410 to 7 tall (up to 350 lbs), its V-shaped frame mimics outdoor geometry and allows infinite adjustability for a true road-bike feel. Whether youre training at home or in a commercial facility, the M3i delivers a whisper-quiet, low-maintenance ride thanks to its magnetic resistance system, rear-wheel design, and Poly-V belt drive.

The M Connect Display connects instantly via Bluetooth to your favorite cycling appsno additional sensors or devices neededstreaming data like power, cadence, speed, and heart rate. With open API connectivity, you can pair it with multiple devices at once for personal tracking, group projection systems, or virtual cycling platforms.

Over a decade of refinement has made the M3i the first indoor cycling bike to pass EN957-10 certification for power accuracy, safety, and environmental standards. From its corrosion-resistant frame to its revolutionary pedal design, every detail is built for performance and longevity.

Key Features & Benefits:

• V-shaped frame Fits a wide range of riders while replicating outdoor cycling geometry.

• Magnetic resistance Smooth, silent, and virtually maintenance-free.

• Infinite incremental adjustments Fine-tune your ride intensity instantly.

• Rear-wheel design Protects the flywheel from sweat and corrosion.

• Poly-V belt drive Self-tensioning, zero-maintenance system for long-term reliability.

• Revolutionary Keiser Bike Pedal Dual-sided for SPD cleats or standard athletic shoes.

• Four-way adjustable seat & handlebars Perfect fit for every rider.

• M Connect Display with Bluetooth Pairs with popular cycling apps and wearables.

• Intuitive single-screen console Displays cadence, power, calories, heart rate, ride time, distance, and gear.

• Integrated accessories Media tray, water bottle holder, and stretch pads.

Details:

• Resistance Type: Magnetic

• Drive System: Poly-V belt drive

• Connectivity: Bluetooth (open API)

• Certification: EN957-10 power accuracy and safety

Perfect For:

• Indoor cycling studios and group classes

• Home gyms seeking commercial-grade quality

• Riders using apps like Zwift, Peloton (app), TrainerRoad, and The Sufferfest

• Athletes training with power metrics for performance improvement

Full Product Sheet